import axios from "axios";
import { Message } from "element-ui";
import router from "@/router";
import Vue from "vue";


axios.defaults.baseURL = '/'
Vue.prototype.axios = axios

axios.interceptors.request.use( config => {
    if(window.sessionStorage.getItem('token')){
        config.headers['Authorization'] =
            window.sessionStorage.getItem('token')
    }
    return config
}, error => {
    Message.error(error)
})

//响应拦截器
axios.interceptors.response.use(success => {

    //业务逻辑错误
    if (success.status && success.status == 200) {
        if (success.data.code == 500 || success.data.code == 401 || success.data.code == 403) {
            Message.error({message: success.data.message})
            return
        }
        if (success.data.message) {
            Message.success({message:success.data.message})
        }
        return success.data;
    }
}, error => {
    //调用后端失败
    if (error.response.code == 504 || error.response.code == 404) {
        Message.error({message:'服务器被吃掉了！'})
    }else if(error.response.code == 403){
        Message.error({message: '权限不足，请联系系统管理员！'})
    }else if(error.response.code == 401 ){
        Message.error({message: '您当前未登录，请登录！'})
        router.replace('/')
    }else {
        if(error.response.data.message){
            Message.error({message: error.response.data.message})
        }else {
            Message.error({message: '未知错误'})
        }
    }
    return;
});

let base = ''

//post请求 JSON格式
export const postRequest = (url,params) => {
  return axios({
      method: 'post',
      url: `${base}${url}`,
      data: params
  })
}

export const putRequest = (url,params) => {
    return axios({
        method: 'put',
        url: `${base}${url}`,
        data: params
    })
}

export const getRequest = (url,params) => {
    return axios({
        method: 'get',
        url: `${base}${url}`,
        data: params
    })
}

export const deleteRequest = (url,params) => {
    return axios({
        method: 'delete',
        url: `${base}${url}`,
        data: params
    })
}